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| Baseline Fuel Map for Microsquirt? https://slantsix.org/forum/viewtopic.php?t=65474 |
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| Author: | SpaceFrank [ Wed Oct 28, 2020 11:03 am ] |
| Post subject: | Baseline Fuel Map for Microsquirt? |
Bob and I are getting down to the wire putting our Lemons Turbo EFI build put together, and we have very little experience with EFI tuning. So I figured I'd ask, does anyone have a baseline fuel map we can steal to get started tuning this monster? We're using Microsquirt. Here are the details of the build, if you're curious: Engine: 225 Slant with 198 rods/Silvolite pistons, 8.6:1 SCR, stock 1971+ cam, 1.70/1.44 valves, mild port/bowl work. Hot Side: WH1C turbo, hopefully waste-gated to 6-7 psi (at first). Custom exhaust manifold straight into T3 flange. Cold Side: 75mm LS1 cable-driven throttle body, used LS3 fuel injectors, Gill Welding fuel rail, custom intake manifold. |
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| Author: | Greg Ondayko [ Wed Oct 28, 2020 11:59 am ] |
| Post subject: | Re: Baseline Fuel Map for Microsquirt? |
Matt may chime in - I don't think there is a baseline for a slant as there are so many variables with an install. if I can access my tuning laptop and get a file off it I can send my 79 Volare EFI file.. 34#/Hr Injectors - NA - -No Boost. and more compression / same valve size / same cam as you have. Greg |
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| Author: | SpaceFrank [ Wed Oct 28, 2020 12:17 pm ] |
| Post subject: | Re: Baseline Fuel Map for Microsquirt? |
That may be good enough to get us started. We have an appointment on Nov. 9 with a sympathetic dyno operator who knows Megasquirt, but it needs to at least be running on all six cylinders before we get going. |
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| Author: | Greg Ondayko [ Wed Oct 28, 2020 3:01 pm ] |
| Post subject: | Re: Baseline Fuel Map for Microsquirt? |
Do you want a file or would pictures of the ve map and ign map suffice? You also have to take into consideration the warmup enrich or disable it. And lastly the REQ_FUEL setting could be waaay off compared to your setup / injectors. Greg |
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| Author: | rsrls [ Wed Oct 28, 2020 3:35 pm ] |
| Post subject: | Re: Baseline Fuel Map for Microsquirt? |
I could use this also a picture would help |
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| Author: | SpaceFrank [ Wed Oct 28, 2020 9:27 pm ] |
| Post subject: | Re: Baseline Fuel Map for Microsquirt? |
The file would be awesome if it's not too much trouble. I'll send you a PM with my email address if that works for you. |
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| Author: | Greg Ondayko [ Thu Oct 29, 2020 8:13 am ] |
| Post subject: | Re: Baseline Fuel Map for Microsquirt? |
I am not sure how helpful these will be as I believe the maps are for each specific build / type flow rating of the injectors ... if nothing else it will be a nice picture of numbers. Attachment: VE MAP 79 DUSTER.png [ 60.7 KiB | Viewed 5813 times ] Attachment: IGN MAP 79 DUSTER.png [ 119.03 KiB | Viewed 5813 times ] https://drive.google.com/file/d/1l8yHQ- ... sp=sharing Greg |
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| Author: | MadScientistMatt [ Mon Nov 02, 2020 5:02 am ] |
| Post subject: | Re: Baseline Fuel Map for Microsquirt? |
The VE tables are designed to be independent of the injector size - the ideas is to have the injector data elsewhere, so if you swap injectors the only thing you have to tune is injector data itself. I sent Frank a copy of my tune as well, but it is a very rough tune as the tuning got cut short when I lost a rod bearing. |
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| Author: | SpaceFrank [ Mon Nov 02, 2020 10:40 am ] |
| Post subject: | Re: Baseline Fuel Map for Microsquirt? |
I saw your email as well, Matt. Thanks! |
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| Author: | Greg Ondayko [ Mon Nov 02, 2020 11:08 am ] |
| Post subject: | Re: Baseline Fuel Map for Microsquirt? |
Quote: The VE tables are designed to be independent of the injector size - the ideas is to have the injector data elsewhere, so if you swap injectors the only thing you have to tune is injector data itself.
does that mean the REQ_FUEL number in the injector settings?I sent Frank a copy of my tune as well, but it is a very rough tune as the tuning got cut short when I lost a rod bearing. Greg |
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